/**********************************************************
* Copyright 2009 VMware, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
**********************************************************/
/**
* @file
* This file implements the SVGA interface into this winsys, defined
* in drivers/svga/svga_winsys.h.
*
* @author Keith Whitwell
* @author Jose Fonseca
*/
#include "svga_cmd.h"
#include "svga3d_caps.h"
#include "util/u_inlines.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "pipebuffer/pb_buffer.h"
#include "pipebuffer/pb_bufmgr.h"
#include "svga_winsys.h"
#include "vmw_context.h"
#include "vmw_screen.h"
#include "vmw_surface.h"
#include "vmw_buffer.h"
#include "vmw_fence.h"
static struct svga_winsys_buffer *
vmw_svga_winsys_buffer_create(struct svga_winsys_screen *sws,
unsigned alignment,
unsigned usage,
unsigned size)
{
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
struct pb_desc desc;
struct pb_manager *provider;
struct pb_buffer *buffer;
memset(&desc, 0, sizeof desc);
desc.alignment = alignment;
desc.usage = usage;
if (usage == SVGA_BUFFER_USAGE_PINNED) {
if (vws->pools.query_fenced == NULL && !vmw_query_pools_init(vws))
return NULL;
provider = vws->pools.query_fenced;
} else
provider = vws->pools.gmr_fenced;
assert(provider);
buffer = provider->create_buffer(provider, size, &desc);
if(!buffer && provider == vws->pools.gmr_fenced) {
assert(provider);
provider = vws->pools.gmr_slab_fenced;
buffer = provider->create_buffer(provider, size, &desc);
}
if (!buffer)
return NULL;
return vmw_svga_winsys_buffer(buffer);
}
static void *
vmw_svga_winsys_buffer_map(struct svga_winsys_screen *sws,
struct svga_winsys_buffer *buf,
unsigned flags)
{
(void)sws;
return pb_map(vmw_pb_buffer(buf), flags, NULL);
}
static void
vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen *sws,
struct svga_winsys_buffer *buf)
{
(void)sws;
pb_unmap(vmw_pb_buffer(buf));
}
static void
vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen *sws,
struct svga_winsys_buffer *buf)
{
struct pb_buffer *pbuf = vmw_pb_buffer(buf);
(void)sws;
pb_reference(&pbuf, NULL);
}
static void
vmw_svga_winsys_fence_reference(struct svga_winsys_screen *sws,
struct pipe_fence_handle **pdst,
struct pipe_fence_handle *src)
{
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
vmw_fence_reference(vws, pdst, src);
}
static int
vmw_svga_winsys_fence_signalled(struct svga_winsys_screen *sws,
struct pipe_fence_handle *fence,
unsigned flag)
{
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
return vmw_fence_signalled(vws, fence, flag);
}
static int
vmw_svga_winsys_fence_finish(struct svga_winsys_screen *sws,
struct pipe_fence_handle *fence,
unsigned flag)
{
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
return vmw_fence_finish(vws, fence, flag);
}
static struct svga_winsys_surface *
vmw_svga_winsys_surface_create(struct svga_winsys_screen *sws,
SVGA3dSurfaceFlags flags,
SVGA3dSurfaceFormat format,
SVGA3dSize size,
uint32 numFaces,
uint32 numMipLevels)
{
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
struct vmw_svga_winsys_surface *surface;
surface = CALLOC_STRUCT(vmw_svga_winsys_surface);
if(!surface)
goto no_surface;
pipe_reference_init(&surface->refcnt, 1);
p_atomic_set(&surface->validated, 0);
surface->screen = vws;
surface->sid = vmw_ioctl_surface_create(vws,
flags, format, size,
numFaces, numMipLevels);
if(surface->sid == SVGA3D_INVALID_ID)
goto no_sid;
return svga_winsys_surface(surface);
no_sid:
FREE(surface);
no_surface:
return NULL;
}
static boolean
vmw_svga_winsys_surface_is_flushed(struct svga_winsys_screen *sws,
struct svga_winsys_surface *surface)
{
struct vmw_svga_winsys_surface *vsurf = vmw_svga_winsys_surface(surface);
return (p_atomic_read(&vsurf->validated) == 0);
}
static void
vmw_svga_winsys_surface_ref(struct svga_winsys_screen *sws,
struct svga_winsys_surface **pDst,
struct svga_winsys_surface *src)
{
struct vmw_svga_winsys_surface *d_vsurf = vmw_svga_winsys_surface(*pDst);
struct vmw_svga_winsys_surface *s_vsurf = vmw_svga_winsys_surface(src);
vmw_svga_winsys_surface_reference(&d_vsurf, s_vsurf);
*pDst = svga_winsys_surface(d_vsurf);
}
static void
vmw_svga_winsys_destroy(struct svga_winsys_screen *sws)
{
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
vmw_winsys_destroy(vws);
}
static SVGA3dHardwareVersion
vmw_svga_winsys_get_hw_version(struct svga_winsys_screen *sws)
{
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
return (SVGA3dHardwareVersion) vws->ioctl.hwversion;
}
static boolean
vmw_svga_winsys_get_cap(struct svga_winsys_screen *sws,
SVGA3dDevCapIndex index,
SVGA3dDevCapResult *result)
{
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
const uint32 *capsBlock;
const SVGA3dCapsRecord *capsRecord = NULL;
uint32 offset;
const SVGA3dCapPair *capArray;
int numCaps, first, last;
if(vws->ioctl.hwversion < SVGA3D_HWVERSION_WS6_B1)
return FALSE;
/*
* Search linearly through the caps block records for the specified type.
*/
capsBlock = (const uint32 *)vws->ioctl.buffer;
for (offset = 0; capsBlock[offset] != 0; offset += capsBlock[offset]) {
const SVGA3dCapsRecord *record;
assert(offset < SVGA_FIFO_3D_CAPS_SIZE);
record = (const SVGA3dCapsRecord *) (capsBlock + offset);
if ((record->header.type >= SVGA3DCAPS_RECORD_DEVCAPS_MIN) &&
(record->header.type <= SVGA3DCAPS_RECORD_DEVCAPS_MAX) &&
(!capsRecord || (record->header.type > capsRecord->header.type))) {
capsRecord = record;
}
}
if(!capsRecord)
return FALSE;
/*
* Calculate the number of caps from the size of the record.
*/
capArray = (const SVGA3dCapPair *) capsRecord->data;
numCaps = (int) ((capsRecord->header.length * sizeof(uint32) -
sizeof capsRecord->header) / (2 * sizeof(uint32)));
/*
* Binary-search for the cap with the specified index.
*/
for (first = 0, last = numCaps - 1; first <= last; ) {
int mid = (first + last) / 2;
if ((SVGA3dDevCapIndex) capArray[mid][0] == index) {
/*
* Found it.
*/
result->u = capArray[mid][1];
return TRUE;
}
/*
* Divide and conquer.
*/
if ((SVGA3dDevCapIndex) capArray[mid][0] > index) {
last = mid - 1;
} else {
first = mid + 1;
}
}
return FALSE;
}
boolean
vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws)
{
vws->base.destroy = vmw_svga_winsys_destroy;
vws->base.get_hw_version = vmw_svga_winsys_get_hw_version;
vws->base.get_cap = vmw_svga_winsys_get_cap;
vws->base.context_create = vmw_svga_winsys_context_create;
vws->base.surface_create = vmw_svga_winsys_surface_create;
vws->base.surface_is_flushed = vmw_svga_winsys_surface_is_flushed;
vws->base.surface_reference = vmw_svga_winsys_surface_ref;
vws->base.buffer_create = vmw_svga_winsys_buffer_create;
vws->base.buffer_map = vmw_svga_winsys_buffer_map;
vws->base.buffer_unmap = vmw_svga_winsys_buffer_unmap;
vws->base.buffer_destroy = vmw_svga_winsys_buffer_destroy;
vws->base.fence_reference = vmw_svga_winsys_fence_reference;
vws->base.fence_signalled = vmw_svga_winsys_fence_signalled;
vws->base.fence_finish = vmw_svga_winsys_fence_finish;
return TRUE;
}